Coolant disappearing but no leak

Radiator Fluid Disappearing like a Magic Trick. One indication of whether you have a coolant leak into the HVAC system is a recurring. Losing coolant, but no leaks? What can cause a car to lose coolant. How to find coolant leak.

Why is coolant leaking on a Land Rover. First, if you only look after it has disappeare there is no coolant left to be leaking Secon coolant will often leak only under pressure, when it expands from being hot. While most leaks are obvious, there are often times you may feel your coolant is simply disappearing. Diesel SUV, it is loosing coolant with no visible leaks. The vehicle does not overheat and the radiator fan does come on very quickly.

I have to fill coolant so once every weeks. Any suggestions as to where to start looking. Anyway, no coolant leak at all, no coolant leakage into the crankcase.

However, the exhaust into coolant HG failure does not cause coolant loss, other than coolant being ejected from the overflow tank.

That is obvious enough to where the OP would see a boiling overflow tank. Engine coolant that is disappearing and leaving no visible trace is NOT a good thing. I can drive around town locally with no problems, I dont need to refill the coolant every trip as it doesnt leak out.

I would add coolant once a week or so when driving only locally. My friend said the new used engine doesnt sound that great but this is the only problem I have. Vseveral times in the past couple months.

If your coolant is disappearing your head gasket is more than likely gone my friend. Ok problem is, I recently drove the car 400mi one way, and on the way the car overheats, get out and the overflow is spewing out the tubes steam. Asked them to look into the coolant issue. They said they saw no evidence of coolant leaking in the obvious places, and filled it back up to full for me. Said to keep an eye on it for a week or two to see how slow or fast the coolant is disappearing.

My radiator is full of coolant and filled to the top. However my reservoir coolant keeps disappearing. About months ago, I had the intake coolant hose burst a hole and fluid leaked everywhere. I cannot detect any visible leaks. F2losing coolant , not leaking on carport and makes a whistle - Answered by a verified Ford Mechanic We use cookies to give you the best possible experience on our website.

By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. If your car is losing coolant and there are no apparent external leaks YOU HAVE A SERIOUS PROBLEM. If the coolant is getting into the cylinders by way of a manifold leak , blown head gasket, or cracked cylinder head or block, your cylinder bores are being destroyed and you may be facing either an ethylene-glycol seize or. Overflow bottle was empty.

Next day daughter took to school came back home bottle empty again. No coolant smell from the exhaust no smoke at all from the exhaust only in engine compartment no smell at all inside vehicle. Check the oil for moisture. That much coolant would make the oil look like a chocolate milkshake.

Exhaust nor is the oil milky. Also, you can lose coolant with a HG leak , but the easier way to check is bubbles in the overflow tank when running and the smell in the overflow tank (after the car is warmed up). I went to a local AutoZone and rented a pressure tester for coolant system. There are alot of places for the coolant to leak out too.

I would test it and there would be no leak , but the coolant would somehow escape somewhere. Since I started testing, I did not want to start the car to see if there is a leak on any of the pipes or such. If theres no leaks anywhere could the coolant be evaporating of the engine heat? Coolant Getting Low, No Signs Of Leaks. Start with a cooling system pressure test, this will show up any external leaks.

Then a head check, this is a chemical test to check for exhaust gasses in the cooling system. These are the two main tests for internal and external coolant leaks. He said the engine never overheate even around town, and there were no obvious leaks. He had had the system pressure-tested and no leakage was shown.

My coolant is bubbling and overflowing, there is no visible leak , whats going on? Look for discoloration in the oil. If there is no external evidence of a leak , it might be a head gasket leak or a cracked head. It looks cloudy and sometimes foamy if there is coolant in it. When i got to work i checked the coolant level and the expansion tank was empty.

This would pressurise the coolant system and force water out the cap or a hose joint but if the leak was tiny the water only being a fraction of. Other signs of head gasket leaks or a blown head gasket include a sweet musty smell, lots of white smoke coming from exhaust, coolant disappearing but no leaks on groun the car overheating and the engine light coming on (a trouble code check should generate a misfire code). But small external coolant leaks often burn off the engine, which usually can be smelled by somebody with a good nose (so no drips).

Heater not working and coolant keeps disappearing. There is no oil in the coolant , and no coolant in the oil. The engine does not burn oil and the oil level is unchanged from the last oil change of weeks ago.

The engine starts and runs just like new and there are no obvious leaks with the engine running at normal temperature, and no obvious leakage under the engine when parked.